The effect of microwave heating on the microstructure and the mechanical properties of reaction-bonded boron carbide

Mathieu Dutto; Dominique Goeuriot; Sébastien Saunier; Sergio Sao-Joao; Sylvain Marinel; Nachum Frage; Shmuel Hayun

doi:10.1111/ijac.13379

The effect of microwave heating on the microstructure and the mechanical properties of reaction-bonded boron carbide

Mathieu Dutto, Dominique Goeuriot, Sébastien Saunier, Sergio Sao-Joao, Sylvain Marinel, Nachum Frage, Shmuel Hayun

Department of Materials Engineering

Ben-Gurion University of the Negev

Research output: Contribution to journal › Article › peer-review

Abstract

Reaction-bonded boron carbide composites were fabricated by both microwave (under Ar/10% H₂) and conventional heating (under vacuum or Ar/10% H₂). Silicon carbide (SiC) formation occurred in all cases and was slightly favored in the case of microwave heating under Ar/H₂. The resulting microstructures were influenced by the heating process and atmosphere; the SiC existed in the form of needles with conventional heating under vacuum. SiC small polygonal grains were present after microwave heating under Ar/H₂. Both the atmosphere and the electromagnetic field influence the SiC morphology. Despite this difference, the hardness and toughness of composites obtained by both heating techniques were similar.

Original language	American English
Pages (from-to)	751-760
Number of pages	10
Journal	International Journal of Applied Ceramic Technology
Volume	17
Issue number	2
DOIs	https://doi.org/10.1111/ijac.13379
State	Published - 1 Mar 2020

Keywords

boron carbide
microwave
reaction bonding

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Condensed Matter Physics
Marketing
Materials Chemistry

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10.1111/ijac.13379

Cite this

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title = "The effect of microwave heating on the microstructure and the mechanical properties of reaction-bonded boron carbide",

abstract = "Reaction-bonded boron carbide composites were fabricated by both microwave (under Ar/10% H2) and conventional heating (under vacuum or Ar/10% H2). Silicon carbide (SiC) formation occurred in all cases and was slightly favored in the case of microwave heating under Ar/H2. The resulting microstructures were influenced by the heating process and atmosphere; the SiC existed in the form of needles with conventional heating under vacuum. SiC small polygonal grains were present after microwave heating under Ar/H2. Both the atmosphere and the electromagnetic field influence the SiC morphology. Despite this difference, the hardness and toughness of composites obtained by both heating techniques were similar.",

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AU - Dutto, Mathieu

AU - Goeuriot, Dominique

AU - Saunier, Sébastien

AU - Sao-Joao, Sergio

AU - Marinel, Sylvain

AU - Frage, Nachum

AU - Hayun, Shmuel

PY - 2020/3/1

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N2 - Reaction-bonded boron carbide composites were fabricated by both microwave (under Ar/10% H2) and conventional heating (under vacuum or Ar/10% H2). Silicon carbide (SiC) formation occurred in all cases and was slightly favored in the case of microwave heating under Ar/H2. The resulting microstructures were influenced by the heating process and atmosphere; the SiC existed in the form of needles with conventional heating under vacuum. SiC small polygonal grains were present after microwave heating under Ar/H2. Both the atmosphere and the electromagnetic field influence the SiC morphology. Despite this difference, the hardness and toughness of composites obtained by both heating techniques were similar.

AB - Reaction-bonded boron carbide composites were fabricated by both microwave (under Ar/10% H2) and conventional heating (under vacuum or Ar/10% H2). Silicon carbide (SiC) formation occurred in all cases and was slightly favored in the case of microwave heating under Ar/H2. The resulting microstructures were influenced by the heating process and atmosphere; the SiC existed in the form of needles with conventional heating under vacuum. SiC small polygonal grains were present after microwave heating under Ar/H2. Both the atmosphere and the electromagnetic field influence the SiC morphology. Despite this difference, the hardness and toughness of composites obtained by both heating techniques were similar.

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The effect of microwave heating on the microstructure and the mechanical properties of reaction-bonded boron carbide

Abstract

Keywords

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